Real mobile network · Spanish SIM · no middlemen

Your SMS gateway,
from 0.02 € per message.

Send and receive SMS through a simple REST API. Messages go out over a 4G modem with a real SIM, not through opaque aggregators. One flat, transparent rate.

See pricing How it works

enviar-sms.sh

# One POST and the SMS goes out over the mobile network
curl -X POST https://emissum.leukasoft.com/api/v1/messages/send \
  -H "Authorization: Bearer TU_TOKEN" \
  -d '{"to":"600123456","content":"Hola 👋"}'

Pricing

SMS packs. The more you buy, the cheaper.

Buy a pack of messages and use it at your own pace. No monthly fee, no lock-in: the price per SMS drops with the pack size, from 0.04 € down to 0.020 € per message.

Pack

500

SMS

20 €

0.040 € / SMS

base price

Request

Pack

1,000

SMS

35 €

0.035 € / SMS

−13% per SMS

Request

From your app to a real phone, in seconds.

You call the API

A POST with a recipient and text. The server queues the message and returns its status.

The modem picks it up

Our gateway with a real SIM polls for pending messages and sends the SMS over the 4G mobile network. No aggregators in between.

You get the status

sent → delivered, or the failure if any. Inbound SMS reach you via a signed webhook.

⚠

Acceptable use policy

This service is for transactional messaging and legitimate communications with people who expect your messages. Under no circumstances is it allowed to:

✕ Send unsolicited advertising or commercial SMS (spam).
✕ Include links to fraudulent sites, phishing, impersonation or deception.
✕ Any unlawful content, scam, or attempt to pass the message off as another entity's.

Any use under these terms leads to the immediate and permanent suspension of the account,

with no refund and, where applicable, notification to the competent authorities.

Your SMS gateway, from 0.02 € per message.